/*
 * Copyright (C) 
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _LFG_H
#define _LFG_H

#include "Common.h"

namespace lfg
{

enum LFGEnum
{
    LFG_TANKS_NEEDED                             = 1,
    LFG_HEALERS_NEEDED                           = 1,
    LFG_DPS_NEEDED                               = 3
};

enum LfgRoles
{
    PLAYER_ROLE_NONE                             = 0x00,
    PLAYER_ROLE_LEADER                           = 0x01,
    PLAYER_ROLE_TANK                             = 0x02,
    PLAYER_ROLE_HEALER                           = 0x04,
    PLAYER_ROLE_DAMAGE                           = 0x08
};

enum LfgUpdateType
{
    LFG_UPDATETYPE_DEFAULT                       = 0,      // Internal Use
    LFG_UPDATETYPE_LEADER_UNK1                   = 1,      // FIXME: At group leave
    LFG_UPDATETYPE_LEAVE_RAIDBROWSER             = 2,
    LFG_UPDATETYPE_JOIN_RAIDBROWSER              = 3,
    LFG_UPDATETYPE_ROLECHECK_ABORTED             = 4,
    LFG_UPDATETYPE_JOIN_QUEUE                    = 5,
    LFG_UPDATETYPE_ROLECHECK_FAILED              = 6,
    LFG_UPDATETYPE_REMOVED_FROM_QUEUE            = 7,
    LFG_UPDATETYPE_PROPOSAL_FAILED               = 8,
    LFG_UPDATETYPE_PROPOSAL_DECLINED             = 9,
    LFG_UPDATETYPE_GROUP_FOUND                   = 10,
    LFG_UPDATETYPE_ADDED_TO_QUEUE                = 12,
    LFG_UPDATETYPE_PROPOSAL_BEGIN                = 13,
    LFG_UPDATETYPE_UPDATE_STATUS                 = 14,
    LFG_UPDATETYPE_GROUP_MEMBER_OFFLINE          = 15,
    LFG_UPDATETYPE_GROUP_DISBAND_UNK16           = 16,     // FIXME: Sometimes at group disband
};

enum LfgState
{
    LFG_STATE_NONE,                                        // Not using LFG / LFR
    LFG_STATE_ROLECHECK,                                   // Rolecheck active
    LFG_STATE_QUEUED,                                      // Queued
    LFG_STATE_PROPOSAL,                                    // Proposal active
    LFG_STATE_BOOT,                                        // Vote kick active
    LFG_STATE_DUNGEON,                                     // In LFG Group, in a Dungeon
    LFG_STATE_FINISHED_DUNGEON,                            // In LFG Group, in a finished Dungeon
    LFG_STATE_RAIDBROWSER                                  // Using Raid finder
};

/// Instance lock types
enum LfgLockStatusType
{
    LFG_LOCKSTATUS_INSUFFICIENT_EXPANSION        = 1,
    LFG_LOCKSTATUS_TOO_LOW_LEVEL                 = 2,
    LFG_LOCKSTATUS_TOO_HIGH_LEVEL                = 3,
    LFG_LOCKSTATUS_TOO_LOW_GEAR_SCORE            = 4,
    LFG_LOCKSTATUS_TOO_HIGH_GEAR_SCORE           = 5,
    LFG_LOCKSTATUS_RAID_LOCKED                   = 6,
    LFG_LOCKSTATUS_ATTUNEMENT_TOO_LOW_LEVEL      = 1001,
    LFG_LOCKSTATUS_ATTUNEMENT_TOO_HIGH_LEVEL     = 1002,
    LFG_LOCKSTATUS_QUEST_NOT_COMPLETED           = 1022,
    LFG_LOCKSTATUS_MISSING_ITEM                  = 1025,
    LFG_LOCKSTATUS_NOT_IN_SEASON                 = 1031,
    LFG_LOCKSTATUS_MISSING_ACHIEVEMENT           = 1034
};

/// Answer state (Also used to check compatibilites)
enum LfgAnswer
{
    LFG_ANSWER_PENDING                           = -1,
    LFG_ANSWER_DENY                              = 0,
    LFG_ANSWER_AGREE                             = 1
};

class Lfg5Guids;

typedef std::list<Lfg5Guids> Lfg5GuidsList;
typedef std::set<uint32> LfgDungeonSet;
typedef std::map<uint32, uint32> LfgLockMap;
typedef std::map<uint64, LfgLockMap> LfgLockPartyMap;
typedef std::set<uint64> LfgGuidSet;
typedef std::list<uint64> LfgGuidList;
typedef std::map<uint64, uint8> LfgRolesMap;
typedef std::map<uint64, uint64> LfgGroupsMap;

class Lfg5Guids
{
public:
	uint64 guid[5];
	LfgRolesMap* roles;
	Lfg5Guids() { memset(&guid, 0, 5*8); roles = NULL; }
	Lfg5Guids(uint64 g) { memset(&guid, 0, 5*8); guid[0] = g; roles = NULL; }
	Lfg5Guids(Lfg5Guids const& x) { memcpy(guid, x.guid, 5*8); if (x.roles) roles = new LfgRolesMap(*(x.roles)); else roles = NULL; }
	Lfg5Guids(Lfg5Guids const& x, bool copyRoles) { memcpy(guid, x.guid, 5*8); roles = NULL; }
	~Lfg5Guids() { delete roles; }
	void addRoles(LfgRolesMap const& r) { roles = new LfgRolesMap(r); }
	void clear() { memset(&guid, 0, 5*8); }
	bool empty() const { return guid[0] == 0; }
	uint64 front() const { return guid[0]; }
	uint8 size() const
	{
		if (guid[2])
		{
			if (guid[4]) return 5;
			else if (guid[3]) return 4;
			return 3;
		}
		else if (guid[1]) return 2;
		else if (guid[0]) return 1;
		return 0;
	}
	void insert(const uint64& g)
	{
		// avoid loops for performance
		if (guid[0] == 0) { guid[0] = g; return; }
		else if (g <= guid[0]) { if (guid[3]) guid[4] = guid[3]; if (guid[2]) guid[3] = guid[2]; if (guid[1]) guid[2] = guid[1]; guid[1] = guid[0]; guid[0] = g; return; }
		if (guid[1] == 0) { guid[1] = g; return; }
		else if (g <= guid[1]) { if (guid[3]) guid[4] = guid[3]; if (guid[2]) guid[3] = guid[2]; guid[2] = guid[1]; guid[1] = g; return; }
		if (guid[2] == 0) { guid[2] = g; return; }
		else if (g <= guid[2]) { if (guid[3]) guid[4] = guid[3]; guid[3] = guid[2]; guid[2] = g; return; }
		if (guid[3] == 0) { guid[3] = g; return; }
		else if (g <= guid[3]) { guid[4] = guid[3]; guid[3] = g; return; }
		guid[4] = g;
	}
	void force_insert_front(const uint64& g)
	{
		if (guid[3]) guid[4] = guid[3]; if (guid[2]) guid[3] = guid[2]; if (guid[1]) guid[2] = guid[1]; guid[1] = guid[0]; guid[0] = g;
	}
	void remove(const uint64& g)
	{
		// avoid loops for performance
		if (guid[0] == g) { if (guid[1]) guid[0] = guid[1]; else { guid[0] = 0; return; } if (guid[2]) guid[1] = guid[2]; else { guid[1] = 0; return; } if (guid[3]) guid[2] = guid[3]; else { guid[2] = 0; return; } if (guid[4]) guid[3] = guid[4]; else { guid[3] = 0; return; } guid[4] = 0; return; }
		if (guid[1] == g) { if (guid[2]) guid[1] = guid[2]; else { guid[1] = 0; return; } if (guid[3]) guid[2] = guid[3]; else { guid[2] = 0; return; } if (guid[4]) guid[3] = guid[4]; else { guid[3] = 0; return; } guid[4] = 0; return; }
		if (guid[2] == g) { if (guid[3]) guid[2] = guid[3]; else { guid[2] = 0; return; } if (guid[4]) guid[3] = guid[4]; else { guid[3] = 0; return; } guid[4] = 0; return; }
		if (guid[3] == g) { if (guid[4]) guid[3] = guid[4]; else { guid[3] = 0; return; } guid[4] = 0; return; }
		if (guid[4] == g) guid[4] = 0;
	}
	bool hasGuid(const uint64& g) const
	{
		return g && (guid[0] == g || guid[1] == g || guid[2] == g || guid[3] == g || guid[4] == g);
	}
	bool operator<(const Lfg5Guids& x) const
	{
		// not neat, but fast xD
		if (guid[0]<=x.guid[0]) {
			if (guid[0] == x.guid[0]) {
				if (guid[1]<=x.guid[1]) {
					if (guid[1] == x.guid[1]) {
						if (guid[2]<=x.guid[2]) {
							if (guid[2] == x.guid[2]) {
								if (guid[3]<=x.guid[3]) {
									if (guid[3] == x.guid[3]) {
										if (guid[4]<=x.guid[4]) {
											if (guid[4] == x.guid[4]) return false; else return true;
										} else return false;
									} else return true;
								} else return false;
							} else return true;
						} else return false;
					} else return true;
				} else return false;
			} else return true;
		} else return false;
	}
	bool operator==(const Lfg5Guids& x) const
	{
		return guid[0] == x.guid[0] && guid[1] == x.guid[1] && guid[2] == x.guid[2] && guid[3] == x.guid[3] && guid[4] == x.guid[4];
	}
	void operator=(const Lfg5Guids& x) { memcpy(guid, x.guid, 5*8); delete roles; if (x.roles) roles = new LfgRolesMap(*(x.roles)); else roles = NULL; }
	std::string toString() const // for debugging
	{
		std::ostringstream o;
		o << GUID_LOPART(guid[0]) << "," << GUID_LOPART(guid[1]) << "," << GUID_LOPART(guid[2]) << "," << GUID_LOPART(guid[3]) << "," << GUID_LOPART(guid[4]) << ":" << (roles ? 1 : 0);
		return o.str();
	}
};

/*
std::string ConcatenateDungeons(LfgDungeonSet const& dungeons);
std::string GetRolesString(uint8 roles);
std::string GetStateString(LfgState state);
*/

} // namespace lfg

#endif
